## include this File in all Makefiles for Eressea

default: debug

ifndef ERESSEA
	MAKEENV = echo "Missing ERESSEA environment variable." && exit 1
endif

DEPEND  = g++ -MM -MG -r
AR      = ar
ARFLAGS = cr

CTAGS      = ctags
CTAGSFLAGS = --langmap=c:.c.h

CC      = gcc
CFLAGS  = -I$(ERESSEA) -Wall -Wwrite-strings -Wstrict-prototypes \
           -Wpointer-arith -Werror-implicit-function-declaration \
	   -Wno-char-subscripts \
       	   -march=pentiumpro -fPIC $(INCLUDES)

LIBS    = -L$(PUBLISH_DIR)
LD      = gcc
LDFLAGS = $(LIBS)

#INSTALL = install
INSTALL = cp

ARCHITECTURE=Linux

##
## Architecture-Dependent Exe and Library Names
##

ifeq ($(ARCHITECTURE), Linux)
 ifneq ($(LIBNAME), )
   LIBRARY = lib$(LIBNAME).a
 endif
 ifneq ($(EXENAME), )
  BINARY = $(EXENAME)
 endif
endif

ifeq ($(ARCHITECTURE), Windows)
 ifneq ($(LIBNAME), )
  LIBRARY = $(LIBNAME).lib
 endif
 ifneq ($(EXENAME), )
  BINARY = $(EXENAME).exe
 endif
endif

ifeq ($(CONFIG), debug)
  BUILD_DIR  = Debug-$(ARCHITECTURE)
  CFLAGS    += -g
  LDFLAGS   += -g
endif

ifeq ($(CONFIG), release)
  BUILD_DIR  = Release-$(ARCHITECTURE)
  CFLAGS    += -O4 -funroll-loops -fomit-frame-pointer
endif

ifeq ($(CONFIG), profile)
  BUILD_DIR  = Profile-$(ARCHITECTURE)
  CFLAGS    += -g -pg -O4 -funroll-loops
  LDFLAGS   += -g -pg
endif


#
## Dependencies
#
ifneq ($(wildcard *.c),)
ifeq (.depend,$(wildcard .depend))
include .depend
endif
# Create dependencies
depend::
	@echo "Creating dependencies in `pwd`/.depend";
	$(DEPEND) $(CFLAGS) $(DEFINES) $(INCDIRS) $(SOURCES) >| .depend
endif

#
## Tags
#
tags:
	@echo "Creating tags in `pwd`/tags";
	$(CTAGS) $(CTAGSFLAGS) --recurse=yes -f $(ERESSEA)/tags $(ERESSEA)


PUBLISH_DIR = $(ERESSEA)/$(BUILD_DIR)

env:
	@$(MAKEENV)

debug release profile:: env $(PUBLISH_DIR) $(PUBLISH_DIR)
	$(MAKE) CONFIG=$@ recurse-subdirs-$@

##
## recurse-subdirs-X is called from a Makefile one level up.
##
recurse-subdirs-debug:: subdirs-debug publish-debug
recurse-subdirs-release:: subdirs-release publish-release
recurse-subdirs-profile:: subdirs-profile publish-profile

recurse-clean:: clean
recurse-depend:: depend

subdirs-debug subdirs-release subdirs-profile clean depend::
	@mkdir -p $(PUBLISH_DIR)
	@if [ -n "$(SUBDIRS)" ]; then \
	for subdir in x-placeholder-dir $(SUBDIRS); do \
	if [ -d $$subdir ]; then \
	echo --\> Making $@ in $$subdir ; \
	mkdir -p $$subdir/$(BUILD_DIR) ; \
	$(MAKE) -C $$subdir -$(MAKEFLAGS) recurse-$@ || exit 1; \
	fi \
	done \
	fi

publish-debug:: subdirs-debug
publish-release:: subdirs-release
publish-profile:: subdirs-profile

publish-debug publish-release publish-profile:: $(BUILD_DIR)/$(LIBRARY) $(BUILD_DIR)/$(BINARY)

clean:: $(BUILD_DIR) $(PUBLISH_DIR)
	rm -fr Release-$(ARCHITECTURE)/* Debug-$(ARCHITECTURE)/* Profile-$(ARCHITECTURE)/*

$(BUILD_DIR) $(PUBLISH_DIR):
	@mkdir $@

# object files:
$(BUILD_DIR)/%:: $(BUILD_DIR)
$(BUILD_DIR)/%.o:: %.c
	@echo "Compiling $@"
	@$(CC) -o $@ -c $< $(CFLAGS)

##
## conversion code for old triggers - should only be used for free eressea,
## and only for old datafiles.
##

ifeq ($(CONVERT_TRIGGERS), 1)
 CFLAGS += -DCONVERT_TRIGGER
 INCLUDES += -I. -I$(ERESSEA)/eressea/old
endif

MKFILES = $(wildcard $(USER).mk $(OSTYPE).mk $(HOSTTYPE).mk $(ARCH).mk)
ifeq ($(MKFILES), )
else
  include $(MKFILES)
endif